ref: ecd4d6b2a8336c5afbfaf469ada838d850755234
parent: 97f296d2d458fd1a887b903aec6b6dd72c64efa2
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Wed May 6 15:19:19 EDT 2015
Remove emiteloop, emitbloop, emitestruct, emitefun These functions can be unified.
--- a/cc1/cc1.h
+++ b/cc1/cc1.h
@@ -154,7 +154,7 @@
OA_AND, OA_XOR, OA_OR, OADDR,ONEG, OCPL, OEXC,
OCOMMA, OCAST, OSYM, OASK, OFIELD, OTYP,
OLABEL, ODEFAULT, OCASE, OSTRUCT, OJUMP, OBRANCH,
- OEXPR,
+ OEXPR, OEFUN, OESTRUCT, OELOOP, OBLOOP,
/* TODO: This order is important, but must be changed */
OAND, OOR,
/*
@@ -166,14 +166,12 @@
/*TODO: clean these declarations */
extern void
- emitdcl(Symbol *), emitefun(void),
+ emitdcl(Symbol *),
emit(uint8_t, void *),
emitprint(Node *),
- emitbloop(void), emiteloop(void),
emitswitch(short),
emitret(Type *tp),
- emitfun(Symbol *sym),
- emitestruct(void);
+ emitfun(Symbol *sym);
extern Node *node(uint8_t op, Type *tp, Node *left, Node *rigth);
extern Node *symbol(Symbol *sym);
--- a/cc1/code.c
+++ b/cc1/code.c
@@ -10,8 +10,8 @@
static void emitbin(uint8_t, void *), emitunary(uint8_t, void *),
emitternary(uint8_t, void *), emitcast(uint8_t, void *),
emitsym(uint8_t, void *), emitfield(uint8_t, void *),
- emitsizeof(uint8_t, void *), emitexp(uint8_t op, void *arg),
- emitsymid(uint8_t op, void *arg);
+ emitsizeof(uint8_t, void *), emitexp(uint8_t, void *),
+ emitsymid(uint8_t, void *), emittext(uint8_t, void *);
char *optxt[] = {
[OADD] = "+",
@@ -57,6 +57,10 @@
[OSTRUCT] = "S%d\t(\n",
[OJUMP] = "\tj\tL%d\n",
[OBRANCH] = "\tj\tL%d",
+ [OEFUN] = "}",
+ [OESTRUCT] = ")",
+ [OELOOP] = "\tb",
+ [OBLOOP] = "\td"
};
void (*opcode[])(uint8_t, void *) = {
@@ -108,6 +112,10 @@
[OSTRUCT] = emitsymid,
[OJUMP] = emitsymid,
[OBRANCH] = emitsymid,
+ [OEFUN] = emittext,
+ [OESTRUCT] = emittext,
+ [OELOOP] = emittext,
+ [OBLOOP] = emittext
};
void
@@ -175,12 +183,6 @@
}
void
-emitestruct(void)
-{
- puts(")");
-}
-
-void
emitsym(uint8_t op, void *arg)
{
Node *np = arg;
@@ -268,12 +270,6 @@
}
void
-emitefun(void)
-{
- puts("}");
-}
-
-void
emitret(Type *tp)
{
fputs("\ty", stdout);
@@ -280,16 +276,10 @@
emittype(tp);
}
-void
-emitbloop(void)
+static void
+emittext(uint8_t op, void *arg)
{
- puts("\td");
-}
-
-void
-emiteloop(void)
-{
- puts("\tb");
+ puts(optxt[op]);
}
static void
--- a/cc1/decl.c
+++ b/cc1/decl.c
@@ -351,7 +351,7 @@
expect(';');
}
- emitestruct();
+ emit(OESTRUCT, NULL);
if ((n = bp - buff) != 0) {
siz = sizeof(Type *) * n;
tagtype->n.elem = n;
@@ -538,7 +538,7 @@
curfun = sym;
emitfun(sym);
compound(NULL, NULL, NULL);
- emitefun();
+ emit(OEFUN, NULL);
popctx();
return;
}
--- a/cc1/stmt.c
+++ b/cc1/stmt.c
@@ -88,13 +88,13 @@
expect(WHILE);
np = condition();
emit(OJUMP, cond);
- emitbloop();
+ emit(OBLOOP, NULL);
emit(OLABEL, begin);
stmt(end, begin, lswitch);
emit(OLABEL, cond);
emit(OBRANCH, begin);
emit(OEXPR, np);
- emiteloop();
+ emit(OELOOP, NULL);
emit(OLABEL, end);
freetree(np);
}
@@ -120,7 +120,7 @@
emit(OEXPR, einit);
emit(OJUMP, cond);
- emitbloop();
+ emit(OBLOOP, NULL);
emit(OLABEL, begin);
stmt(end, begin, lswitch);
emit(OEXPR, einc);
@@ -127,7 +127,7 @@
emit(OLABEL, cond);
emit(OBRANCH, begin);
emit(OEXPR, econd);
- emiteloop();
+ emit(OELOOP, NULL);
emit(OLABEL, end);
freetree(einit);
freetree(econd);
@@ -143,7 +143,7 @@
begin = install("", NS_LABEL);
end = install("", NS_LABEL);
expect(DO);
- emitbloop();
+ emit(OBLOOP, NULL);
emit(OLABEL, begin);
stmt(end, begin, lswitch);
expect(WHILE);
@@ -150,7 +150,7 @@
np = condition();
emit(OBRANCH, begin);
emit(OEXPR, np);
- emiteloop();
+ emit(OELOOP, NULL);
emit(OLABEL, end);
freetree(np);
}